1966277256482 has 16 divisors (see below), whose sum is σ = 3677193830592. Its totient is φ = 766082047920.

The previous prime is 1966277256473. The next prime is 1966277256491. The reversal of 1966277256482 is 2846527726691.

It is an interprime number because it is at equal distance from previous prime (1966277256473) and next prime (1966277256491).

It is a super-2 number, since 2×1966277256482² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6384016913 + ... + 6384017220.

It is an arithmetic number, because the mean of its divisors is an integer number (229824614412).

Almost surely, 2^{1966277256482} is an apocalyptic number.

1966277256482 is a deficient number, since it is larger than the sum of its proper divisors (1710916574110).

1966277256482 is a wasteful number, since it uses less digits than its factorization.

1966277256482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768034153.

The product of its digits is 121927680, while the sum is 65.

The spelling of 1966277256482 in words is "one trillion, nine hundred sixty-six billion, two hundred seventy-seven million, two hundred fifty-six thousand, four hundred eighty-two".